/**** 
* Plugins
****/ 
var tween = LK.import("@upit/tween.v1");
var storage = LK.import("@upit/storage.v1");

/**** 
* Classes
****/ 
var BatParticle = Container.expand(function () {
	var self = Container.call(this);
	var batGraphics = self.attachAsset('bat', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speedX = (Math.random() - 0.5) * 4;
	self.speedY = (Math.random() - 0.5) * 2;
	self.life = 180 + Math.random() * 120;
	self.update = function () {
		self.x += self.speedX;
		self.y += self.speedY;
		self.life--;
		batGraphics.alpha = self.life / 300;
		if (self.life <= 0) {
			self.destroy();
			var index = batParticles.indexOf(self);
			if (index > -1) {
				batParticles.splice(index, 1);
			}
		}
	};
	return self;
});
var BloodOrb = Container.expand(function () {
	var self = Container.call(this);
	var orbGraphics = self.attachAsset('bloodOrb', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	// Pulsing animation for blood orb
	tween(orbGraphics, {
		scaleX: 1.2,
		scaleY: 1.2
	}, {
		duration: 800,
		easing: tween.easeInOut,
		onFinish: function onFinish() {
			tween(orbGraphics, {
				scaleX: 1.0,
				scaleY: 1.0
			}, {
				duration: 800,
				easing: tween.easeInOut
			});
		}
	});
	return self;
});
var Dracula = Container.expand(function () {
	var self = Container.call(this);
	var draculaGraphics = self.attachAsset('dracula', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	// Add cape effect with slight rotation
	draculaGraphics.rotation = 0.1;
	self.invulnerable = false;
	self.invulnerabilityTime = 0;
	self.update = function () {
		if (self.invulnerable) {
			self.invulnerabilityTime--;
			draculaGraphics.alpha = 0.5 + 0.3 * Math.sin(self.invulnerabilityTime * 0.3);
			if (self.invulnerabilityTime <= 0) {
				self.invulnerable = false;
				draculaGraphics.alpha = 1.0;
			}
		}
	};
	return self;
});
var PowerOrb = Container.expand(function () {
	var self = Container.call(this);
	var orbGraphics = self.attachAsset('powerOrb', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	// Spinning animation for power orb
	tween(orbGraphics, {
		rotation: Math.PI * 2
	}, {
		duration: 2000,
		easing: tween.easeLinear,
		onFinish: function onFinish() {
			orbGraphics.rotation = 0;
		}
	});
	return self;
});
var Sunlight = Container.expand(function () {
	var self = Container.call(this);
	var sunGraphics = self.attachAsset('sunlight', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 2;
	self.update = function () {
		self.x += self.speed;
		// Remove sunlight when it goes off screen
		if (self.x > 2200) {
			self.parent.removeChild(self);
			var index = sunlightRays.indexOf(self);
			if (index > -1) {
				sunlightRays.splice(index, 1);
			}
		}
	};
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x000000
});

/**** 
* Game Code
****/ 
// Game variables
var dracula;
var bloodOrbs = [];
var sunlightRays = [];
var powerOrbs = [];
var batParticles = [];
var gameTime = 0;
var lastBloodSpawn = 0;
var lastSunlightSpawn = 0;
var lastPowerSpawn = 0;
var lastBatSpawn = 0;
var dragNode = null;
var isGameOver = false;
var highScore = storage.get('draculaHighScore') || 0;
var combo = 0;
var lastCollectTime = 0;
// Add moon decoration
var moon = LK.getAsset('moon', {
	anchorX: 0.5,
	anchorY: 0.5,
	x: 1700,
	y: 300,
	alpha: 0.7
});
game.addChild(moon);
// Create score display
var scoreTxt = new Text2('Blood: 0', {
	size: 120,
	fill: 0xFF0000
});
scoreTxt.anchor.set(0.5, 0);
LK.gui.top.addChild(scoreTxt);
// Create high score display
var highScoreTxt = new Text2('Best: ' + highScore, {
	size: 80,
	fill: 0xFFD700
});
highScoreTxt.anchor.set(1, 0);
highScoreTxt.x = -20;
highScoreTxt.y = 20;
LK.gui.topRight.addChild(highScoreTxt);
// Create combo display
var comboTxt = new Text2('', {
	size: 100,
	fill: 0xFF00FF
});
comboTxt.anchor.set(0.5, 0.5);
LK.gui.center.addChild(comboTxt);
comboTxt.alpha = 0;
// Create Dracula
dracula = game.addChild(new Dracula());
dracula.x = 1024;
dracula.y = 1366;
// Spawn blood orbs
function spawnBloodOrb() {
	var bloodOrb = new BloodOrb();
	bloodOrb.x = Math.random() * 1800 + 124;
	bloodOrb.y = Math.random() * 2400 + 124;
	bloodOrbs.push(bloodOrb);
	game.addChild(bloodOrb);
}
// Spawn sunlight rays
function spawnSunlight() {
	var sunlight = new Sunlight();
	sunlight.x = -150;
	sunlight.y = Math.random() * 2732;
	sunlightRays.push(sunlight);
	game.addChild(sunlight);
}
// Spawn power orbs
function spawnPowerOrb() {
	var powerOrb = new PowerOrb();
	powerOrb.x = Math.random() * 1800 + 124;
	powerOrb.y = Math.random() * 2400 + 124;
	powerOrbs.push(powerOrb);
	game.addChild(powerOrb);
}
// Spawn bat particles
function spawnBatParticle() {
	var bat = new BatParticle();
	bat.x = dracula.x + (Math.random() - 0.5) * 200;
	bat.y = dracula.y + (Math.random() - 0.5) * 200;
	batParticles.push(bat);
	game.addChild(bat);
}
// Handle dragging
function handleMove(x, y, obj) {
	if (dragNode && !isGameOver) {
		dragNode.x = x;
		dragNode.y = y;
		// Keep Dracula within bounds
		if (dragNode.x < 60) dragNode.x = 60;
		if (dragNode.x > 1988) dragNode.x = 1988;
		if (dragNode.y < 60) dragNode.y = 60;
		if (dragNode.y > 2672) dragNode.y = 2672;
	}
}
game.move = handleMove;
game.down = function (x, y, obj) {
	if (!isGameOver) {
		dragNode = dracula;
		handleMove(x, y, obj);
	}
};
game.up = function (x, y, obj) {
	dragNode = null;
};
game.update = function () {
	if (isGameOver) return;
	gameTime++;
	// Spawn blood orbs every 90-150 ticks (1.5-2.5 seconds)
	if (gameTime - lastBloodSpawn > 90 + Math.random() * 60) {
		spawnBloodOrb();
		lastBloodSpawn = gameTime;
	}
	// Spawn power orbs every 600-900 ticks (10-15 seconds)
	if (gameTime - lastPowerSpawn > 600 + Math.random() * 300) {
		spawnPowerOrb();
		lastPowerSpawn = gameTime;
	}
	// Spawn bat particles periodically
	if (gameTime - lastBatSpawn > 30 + Math.random() * 30) {
		spawnBatParticle();
		lastBatSpawn = gameTime;
	}
	// Spawn sunlight rays - frequency increases over time
	var sunlightFrequency = Math.max(120 - Math.floor(gameTime / 1800), 60);
	if (gameTime - lastSunlightSpawn > sunlightFrequency) {
		spawnSunlight();
		lastSunlightSpawn = gameTime;
	}
	// Check blood orb collection
	for (var i = bloodOrbs.length - 1; i >= 0; i--) {
		var orb = bloodOrbs[i];
		if (dracula.intersects(orb)) {
			var points = 10;
			// Combo system
			if (gameTime - lastCollectTime < 120) {
				combo++;
				points += combo * 5;
			} else {
				combo = 0;
			}
			lastCollectTime = gameTime;
			LK.setScore(LK.getScore() + points);
			scoreTxt.setText('Blood: ' + LK.getScore());
			// Show combo
			if (combo > 1) {
				comboTxt.setText('x' + combo + ' COMBO!');
				comboTxt.alpha = 1;
				tween(comboTxt, {
					alpha: 0
				}, {
					duration: 1500
				});
			}
			LK.getSound('collectBlood').play();
			// Blood collection effect
			LK.effects.flashObject(dracula, 0xFF0000, 300);
			orb.destroy();
			bloodOrbs.splice(i, 1);
		}
	}
	// Check power orb collection
	for (var p = powerOrbs.length - 1; p >= 0; p--) {
		var powerOrb = powerOrbs[p];
		if (dracula.intersects(powerOrb)) {
			LK.setScore(LK.getScore() + 50);
			scoreTxt.setText('Blood: ' + LK.getScore());
			LK.getSound('powerUp').play();
			// Grant temporary invulnerability
			dracula.invulnerable = true;
			dracula.invulnerabilityTime = 300;
			// Clear all sunlight rays
			for (var s = sunlightRays.length - 1; s >= 0; s--) {
				sunlightRays[s].destroy();
				sunlightRays.splice(s, 1);
			}
			LK.effects.flashScreen(0x9900FF, 500);
			powerOrb.destroy();
			powerOrbs.splice(p, 1);
		}
	}
	// Check sunlight collision
	if (!dracula.invulnerable) {
		for (var j = 0; j < sunlightRays.length; j++) {
			var ray = sunlightRays[j];
			if (dracula.intersects(ray)) {
				// Save high score
				if (LK.getScore() > highScore) {
					storage.set('draculaHighScore', LK.getScore());
				}
				// Game over
				isGameOver = true;
				LK.getSound('deathSound').play();
				LK.effects.flashScreen(0xFFD700, 1500);
				LK.setTimeout(function () {
					LK.showGameOver();
				}, 1000);
				break;
			}
		}
	}
	// Clean up off-screen blood orbs
	for (var k = bloodOrbs.length - 1; k >= 0; k--) {
		var bloodOrb = bloodOrbs[k];
		if (bloodOrb.y > 2800) {
			bloodOrb.destroy();
			bloodOrbs.splice(k, 1);
		}
	}
	// Clean up off-screen power orbs
	for (var l = powerOrbs.length - 1; l >= 0; l--) {
		var powerOrb = powerOrbs[l];
		if (powerOrb.y > 2800) {
			powerOrb.destroy();
			powerOrbs.splice(l, 1);
		}
	}
};

===================================================================
--- original.js
+++ change.js
@@ -1,12 +1,37 @@
 /**** 
 * Plugins
 ****/ 
 var tween = LK.import("@upit/tween.v1");
+var storage = LK.import("@upit/storage.v1");
 
 /**** 
 * Classes
 ****/ 
+var BatParticle = Container.expand(function () {
+	var self = Container.call(this);
+	var batGraphics = self.attachAsset('bat', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.speedX = (Math.random() - 0.5) * 4;
+	self.speedY = (Math.random() - 0.5) * 2;
+	self.life = 180 + Math.random() * 120;
+	self.update = function () {
+		self.x += self.speedX;
+		self.y += self.speedY;
+		self.life--;
+		batGraphics.alpha = self.life / 300;
+		if (self.life <= 0) {
+			self.destroy();
+			var index = batParticles.indexOf(self);
+			if (index > -1) {
+				batParticles.splice(index, 1);
+			}
+		}
+	};
+	return self;
+});
 var BloodOrb = Container.expand(function () {
 	var self = Container.call(this);
 	var orbGraphics = self.attachAsset('bloodOrb', {
 		anchorX: 0.5,
@@ -38,10 +63,40 @@
 		anchorY: 0.5
 	});
 	// Add cape effect with slight rotation
 	draculaGraphics.rotation = 0.1;
+	self.invulnerable = false;
+	self.invulnerabilityTime = 0;
+	self.update = function () {
+		if (self.invulnerable) {
+			self.invulnerabilityTime--;
+			draculaGraphics.alpha = 0.5 + 0.3 * Math.sin(self.invulnerabilityTime * 0.3);
+			if (self.invulnerabilityTime <= 0) {
+				self.invulnerable = false;
+				draculaGraphics.alpha = 1.0;
+			}
+		}
+	};
 	return self;
 });
+var PowerOrb = Container.expand(function () {
+	var self = Container.call(this);
+	var orbGraphics = self.attachAsset('powerOrb', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	// Spinning animation for power orb
+	tween(orbGraphics, {
+		rotation: Math.PI * 2
+	}, {
+		duration: 2000,
+		easing: tween.easeLinear,
+		onFinish: function onFinish() {
+			orbGraphics.rotation = 0;
+		}
+	});
+	return self;
+});
 var Sunlight = Container.expand(function () {
 	var self = Container.call(this);
 	var sunGraphics = self.attachAsset('sunlight', {
 		anchorX: 0.5,
@@ -75,20 +130,53 @@
 // Game variables
 var dracula;
 var bloodOrbs = [];
 var sunlightRays = [];
+var powerOrbs = [];
+var batParticles = [];
 var gameTime = 0;
 var lastBloodSpawn = 0;
 var lastSunlightSpawn = 0;
+var lastPowerSpawn = 0;
+var lastBatSpawn = 0;
 var dragNode = null;
 var isGameOver = false;
+var highScore = storage.get('draculaHighScore') || 0;
+var combo = 0;
+var lastCollectTime = 0;
+// Add moon decoration
+var moon = LK.getAsset('moon', {
+	anchorX: 0.5,
+	anchorY: 0.5,
+	x: 1700,
+	y: 300,
+	alpha: 0.7
+});
+game.addChild(moon);
 // Create score display
 var scoreTxt = new Text2('Blood: 0', {
 	size: 120,
 	fill: 0xFF0000
 });
 scoreTxt.anchor.set(0.5, 0);
 LK.gui.top.addChild(scoreTxt);
+// Create high score display
+var highScoreTxt = new Text2('Best: ' + highScore, {
+	size: 80,
+	fill: 0xFFD700
+});
+highScoreTxt.anchor.set(1, 0);
+highScoreTxt.x = -20;
+highScoreTxt.y = 20;
+LK.gui.topRight.addChild(highScoreTxt);
+// Create combo display
+var comboTxt = new Text2('', {
+	size: 100,
+	fill: 0xFF00FF
+});
+comboTxt.anchor.set(0.5, 0.5);
+LK.gui.center.addChild(comboTxt);
+comboTxt.alpha = 0;
 // Create Dracula
 dracula = game.addChild(new Dracula());
 dracula.x = 1024;
 dracula.y = 1366;
@@ -107,8 +195,24 @@
 	sunlight.y = Math.random() * 2732;
 	sunlightRays.push(sunlight);
 	game.addChild(sunlight);
 }
+// Spawn power orbs
+function spawnPowerOrb() {
+	var powerOrb = new PowerOrb();
+	powerOrb.x = Math.random() * 1800 + 124;
+	powerOrb.y = Math.random() * 2400 + 124;
+	powerOrbs.push(powerOrb);
+	game.addChild(powerOrb);
+}
+// Spawn bat particles
+function spawnBatParticle() {
+	var bat = new BatParticle();
+	bat.x = dracula.x + (Math.random() - 0.5) * 200;
+	bat.y = dracula.y + (Math.random() - 0.5) * 200;
+	batParticles.push(bat);
+	game.addChild(bat);
+}
 // Handle dragging
 function handleMove(x, y, obj) {
 	if (dragNode && !isGameOver) {
 		dragNode.x = x;
@@ -137,8 +241,18 @@
 	if (gameTime - lastBloodSpawn > 90 + Math.random() * 60) {
 		spawnBloodOrb();
 		lastBloodSpawn = gameTime;
 	}
+	// Spawn power orbs every 600-900 ticks (10-15 seconds)
+	if (gameTime - lastPowerSpawn > 600 + Math.random() * 300) {
+		spawnPowerOrb();
+		lastPowerSpawn = gameTime;
+	}
+	// Spawn bat particles periodically
+	if (gameTime - lastBatSpawn > 30 + Math.random() * 30) {
+		spawnBatParticle();
+		lastBatSpawn = gameTime;
+	}
 	// Spawn sunlight rays - frequency increases over time
 	var sunlightFrequency = Math.max(120 - Math.floor(gameTime / 1800), 60);
 	if (gameTime - lastSunlightSpawn > sunlightFrequency) {
 		spawnSunlight();
@@ -147,29 +261,74 @@
 	// Check blood orb collection
 	for (var i = bloodOrbs.length - 1; i >= 0; i--) {
 		var orb = bloodOrbs[i];
 		if (dracula.intersects(orb)) {
-			LK.setScore(LK.getScore() + 10);
+			var points = 10;
+			// Combo system
+			if (gameTime - lastCollectTime < 120) {
+				combo++;
+				points += combo * 5;
+			} else {
+				combo = 0;
+			}
+			lastCollectTime = gameTime;
+			LK.setScore(LK.getScore() + points);
 			scoreTxt.setText('Blood: ' + LK.getScore());
+			// Show combo
+			if (combo > 1) {
+				comboTxt.setText('x' + combo + ' COMBO!');
+				comboTxt.alpha = 1;
+				tween(comboTxt, {
+					alpha: 0
+				}, {
+					duration: 1500
+				});
+			}
 			LK.getSound('collectBlood').play();
 			// Blood collection effect
 			LK.effects.flashObject(dracula, 0xFF0000, 300);
 			orb.destroy();
 			bloodOrbs.splice(i, 1);
 		}
 	}
+	// Check power orb collection
+	for (var p = powerOrbs.length - 1; p >= 0; p--) {
+		var powerOrb = powerOrbs[p];
+		if (dracula.intersects(powerOrb)) {
+			LK.setScore(LK.getScore() + 50);
+			scoreTxt.setText('Blood: ' + LK.getScore());
+			LK.getSound('powerUp').play();
+			// Grant temporary invulnerability
+			dracula.invulnerable = true;
+			dracula.invulnerabilityTime = 300;
+			// Clear all sunlight rays
+			for (var s = sunlightRays.length - 1; s >= 0; s--) {
+				sunlightRays[s].destroy();
+				sunlightRays.splice(s, 1);
+			}
+			LK.effects.flashScreen(0x9900FF, 500);
+			powerOrb.destroy();
+			powerOrbs.splice(p, 1);
+		}
+	}
 	// Check sunlight collision
-	for (var j = 0; j < sunlightRays.length; j++) {
-		var ray = sunlightRays[j];
-		if (dracula.intersects(ray)) {
-			// Game over
-			isGameOver = true;
-			LK.getSound('deathSound').play();
-			LK.effects.flashScreen(0xFFD700, 1500);
-			LK.setTimeout(function () {
-				LK.showGameOver();
-			}, 1000);
-			break;
+	if (!dracula.invulnerable) {
+		for (var j = 0; j < sunlightRays.length; j++) {
+			var ray = sunlightRays[j];
+			if (dracula.intersects(ray)) {
+				// Save high score
+				if (LK.getScore() > highScore) {
+					storage.set('draculaHighScore', LK.getScore());
+				}
+				// Game over
+				isGameOver = true;
+				LK.getSound('deathSound').play();
+				LK.effects.flashScreen(0xFFD700, 1500);
+				LK.setTimeout(function () {
+					LK.showGameOver();
+				}, 1000);
+				break;
+			}
 		}
 	}
 	// Clean up off-screen blood orbs
 	for (var k = bloodOrbs.length - 1; k >= 0; k--) {
@@ -178,5 +337,13 @@
 			bloodOrb.destroy();
 			bloodOrbs.splice(k, 1);
 		}
 	}
+	// Clean up off-screen power orbs
+	for (var l = powerOrbs.length - 1; l >= 0; l--) {
+		var powerOrb = powerOrbs[l];
+		if (powerOrb.y > 2800) {
+			powerOrb.destroy();
+			powerOrbs.splice(l, 1);
+		}
+	}
 };
\ No newline at end of file